package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Calendar;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import util.TimeZoneUtil;
import util.enviaEmail;
import bean.OSBean;
import conexao.Conexao;
import dao.OSDao;

public class voltarOsServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

    public voltarOsServlet() {
        super();
    }

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		response.setCharacterEncoding("UTF-8");
		request.setCharacterEncoding("UTF-8");
		
		PrintWriter out = response.getWriter();
		
		Connection conn = null;
		try {
			conn = new Conexao().getConexao();
		} catch (SQLException e) {
			new enviaEmail().enviar(e);
			out.print("falhaConexao");
			return;
		}
		
		try {			
		    Calendar calendar = Calendar.getInstance();  
		    
		    Integer tempoGasto = new OSDao().getTempoOsDesigner(conn, Integer.parseInt(request.getParameter("id")));
		    		    
		    calendar.add(Calendar.HOUR_OF_DAY, - tempoGasto); // tirando horas gastas pelo designer  
						
			OSBean osBean = new OSBean();
			osBean.setId(Integer.parseInt(request.getParameter("id")));
			osBean.setDataDesigner(new TimeZoneUtil().getTimestamp(calendar));		

			new OSDao().voltarOsDesigner(conn, osBean);
			conn.commit();

		} catch (Exception e) {
			try {
				conn.rollback();
			} catch (Exception ex) {
				new enviaEmail().enviar(ex);
				ex.printStackTrace();
			}
			new enviaEmail().enviar(e);
			throw new RuntimeException(e);
		} finally {
			try {
				conn.close();
			} catch (Exception ex) {
				new enviaEmail().enviar(ex);
			}
		}
		
	}

}
